A skilled swordsman who embraced a life defined by swords meets a fateful end embraced by the same blade. Reborn as Fay Hanse Diestburg, the third prince of Diestburg, he seeks to escape his violent past and adopts a carefree persona known as Trash Prince. However, a pact with the Afillis royal house thrusts him back into the chaos of war, where witnessing a tragic event reignites his dormant sword-wielding spirit. Thus, the tale of the indolent prince turned mighty warrior unfolds.